IT1117626B - Rotore articolato per elicotteri - Google Patents

Rotore articolato per elicotteri

Info

Publication number
IT1117626B
IT1117626B IT67223/79A IT6722379A IT1117626B IT 1117626 B IT1117626 B IT 1117626B IT 67223/79 A IT67223/79 A IT 67223/79A IT 6722379 A IT6722379 A IT 6722379A IT 1117626 B IT1117626 B IT 1117626B
Authority
IT
Italy
Prior art keywords
helicopters
articulated rotor
articulated
rotor
Prior art date
Application number
IT67223/79A
Other languages
English (en)
Italian (it)
Other versions
IT7967223A0 (it
Original Assignee
Aereonautiche Giovanni Augusta
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aereonautiche Giovanni Augusta filed Critical Aereonautiche Giovanni Augusta
Priority to IT67223/79A priority Critical patent/IT1117626B/it
Publication of IT7967223A0 publication Critical patent/IT7967223A0/it
Priority to DE3001207A priority patent/DE3001207C2/de
Priority to US06/113,726 priority patent/US4342540A/en
Priority to GB8002622A priority patent/GB2041310B/en
Priority to JP888280A priority patent/JPS55106897A/ja
Priority to FR8002159A priority patent/FR2447856A1/fr
Application granted granted Critical
Publication of IT1117626B publication Critical patent/IT1117626B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/322—Blade travel limiting devices, e.g. droop stops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/35—Rotors having elastomeric joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Braking Arrangements (AREA)
IT67223/79A 1979-02-02 1979-02-02 Rotore articolato per elicotteri IT1117626B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT67223/79A IT1117626B (it) 1979-02-02 1979-02-02 Rotore articolato per elicotteri
DE3001207A DE3001207C2 (de) 1979-02-02 1980-01-15 Gelenk-Rotor für Hubschrauber
US06/113,726 US4342540A (en) 1979-02-02 1980-01-21 Articulated rotor for helicopters
GB8002622A GB2041310B (en) 1979-02-02 1980-01-25 Blade-to-hub connections for helicopter rotors
JP888280A JPS55106897A (en) 1979-02-02 1980-01-30 Articulated rotor for helicopter
FR8002159A FR2447856A1 (fr) 1979-02-02 1980-01-31 Rotor articule pour helicoptere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67223/79A IT1117626B (it) 1979-02-02 1979-02-02 Rotore articolato per elicotteri

Publications (2)

Publication Number Publication Date
IT7967223A0 IT7967223A0 (it) 1979-02-02
IT1117626B true IT1117626B (it) 1986-02-17

Family

ID=11300620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67223/79A IT1117626B (it) 1979-02-02 1979-02-02 Rotore articolato per elicotteri

Country Status (6)

Country Link
US (1) US4342540A (ja)
JP (1) JPS55106897A (ja)
DE (1) DE3001207C2 (ja)
FR (1) FR2447856A1 (ja)
GB (1) GB2041310B (ja)
IT (1) IT1117626B (ja)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1117626B (it) * 1979-02-02 1986-02-17 Aereonautiche Giovanni Augusta Rotore articolato per elicotteri
IT1129070B (it) * 1980-04-03 1986-06-04 Agusta Aeronaut Costr Rotore a giunti elastomerici per elicotteri
IT1143358B (it) * 1981-02-05 1986-10-22 Agusta Aeronaut Costr Mozzo composito di un rotore di elicottero
FR2516891A1 (fr) * 1981-11-25 1983-05-27 Aerospatiale Rotor pour giravions, a articulations integrees dans le pied de pale
US4419051A (en) * 1982-02-16 1983-12-06 The Boeing Company Twin tension/torsion beam rotor system
IT1155132B (it) * 1982-03-11 1987-01-21 Agusta Aeronaut Costr Rotore per elicotteri
IT1155131B (it) * 1982-03-11 1987-01-21 Agusta Aeronaut Costr Mozzo di rotore di elicotteri
FR2529860B1 (fr) * 1982-07-08 1987-01-02 Aerospatiale Plateau de moyeu, procede de fabrication et moyeu de rotor de giravion equipe de tels plateaux
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
DE3241754C2 (de) * 1982-11-11 1986-02-06 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Rotor, insbesondere eines Drehflügelflugzeuges
IT1157122B (it) * 1982-12-06 1987-02-11 Agusta Aeronaut Costr Rotore per elicottero
IT1159375B (it) * 1983-03-15 1987-02-25 Agusta Aeronaut Costr Rotore per elicotteri
US4568244A (en) * 1983-03-22 1986-02-04 United Technologies Corporation Fiber reinforced/epoxy matrix composite helicopter rotor main hub plate
US4568245A (en) * 1983-03-22 1986-02-04 United Technologies Corporation Composite helicopter rotor hub
IT1205405B (it) * 1983-05-05 1989-03-15 Agusta Aeronaut Costr Rotore per elicotteri
IT1182448B (it) * 1985-02-19 1987-10-05 Agusta Aeronaut Costr Mozzo metallico per un rotore di elicottero
IT1182447B (it) * 1985-02-19 1987-10-05 Agusta Aeronaut Costr Rotore per elicotteri
IT1196801B (it) * 1986-11-25 1988-11-25 Agusta Aeronaut Costr Rotore per elicotteri
IT1196800B (it) * 1986-11-25 1988-11-25 Agusta Aeronaut Costr Rotore anticoppia per elicotteri
DE3801010A1 (de) * 1988-01-15 1989-08-03 Messerschmitt Boelkow Blohm Rotor, insbesondere fuer ein drehfluegelflugzeug
FR2630703B1 (fr) * 1988-04-29 1990-08-24 Aerospatiale Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore
FR2648106B1 (fr) * 1989-06-08 1991-09-27 Aerospatiale Dispositif de butees escamotables pour pales de rotors de giravions, et tete de rotor le comportant
FR2728540A1 (fr) * 1994-12-22 1996-06-28 Eurocopter France Rotor sans articulation a anneaux intermediaires de commande de pas
IT1282114B1 (it) * 1995-06-09 1998-03-12 Augusta S P A Rotore per elicotteri.
FR2764577B1 (fr) * 1997-06-13 1999-08-20 Eurocopter France Rotor de giravion a butees de battement fixes sur pales et moyeu, et a loi pas-battement determinee
FR2764578B1 (fr) 1997-06-13 1999-09-10 Eurocopter France Rotor de giravion a moyeu bi-plateau et commande de pas partiellement externe
ITTO20020509A1 (it) * 2002-06-14 2003-12-15 Agusta Spa Mozzo per un rotore di un elicottero e rotore provvisto di tale mozzo
WO2010068194A1 (en) 2008-12-09 2010-06-17 Sikorsky Aircraft Corporation Lead stop for rotor system with fluid-elastomeric lead/lag damper
US8695918B2 (en) 2012-01-10 2014-04-15 Bell Helicopter Textron Inc. Bearing restraint for rotor systems
US9156544B2 (en) 2012-02-21 2015-10-13 Textron Innovations Inc. Hub assembly with centrifugal and radial bearings
US9308992B2 (en) 2012-02-28 2016-04-12 Sikorsky Aircraft Corporation Helicopter blade retention composite yoke
US9656747B2 (en) * 2013-03-14 2017-05-23 Bell Helicopter Textron Inc. Soft in-plane and stiff out-of-plane rotor system
FR3017108A1 (fr) 2014-01-31 2015-08-07 Airbus Helicopters Rotor pour giravion comportant un mecanisme de butee en battement, et giravion
US9764831B2 (en) * 2014-03-10 2017-09-19 Bell Helicopter Textron Inc. Articulated main rotor hub with inwardly CF bearing and 3% flapping hinge offset
FR3029892B1 (fr) 2014-12-11 2017-01-06 Airbus Helicopters Dispositif de liaison par une rotule lamifiee entre une pale d'un rotor de giravion et un amortisseur de trainee de ladite pale
FR3034077B1 (fr) 2015-03-27 2018-05-04 Airbus Helicopters Mecanisme de butee en battement d'un ensemble sustentateur, rotor pour giravion comportant ce mecanisme de butee, et giravion
FR3053312B1 (fr) * 2016-06-29 2019-07-19 Airbus Helicopters Rotor et aeronef pourvu d'un tel rotor
US10773798B2 (en) * 2017-09-29 2020-09-15 Bell Textron Inc. Rotor hub with blade-to-blade dampers attached to the pitch change axis
US10597150B2 (en) * 2018-04-24 2020-03-24 Textron Innovations Inc. Articulated rotor systems with blade-to-blade damping
WO2019217532A1 (en) * 2018-05-08 2019-11-14 Avx Aircraft Company Rotor hub

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH212105A (de) * 1938-02-12 1940-10-31 Flettner Anton Hubschrauber mit paarweise ineinander kämmenden Rotoren.
US3147810A (en) * 1962-09-12 1964-09-08 Boeing Co Restraining mechanism
US3282350A (en) * 1965-10-20 1966-11-01 Boeing Co Rotor blade mounting construction
FR2125150B1 (ja) * 1971-02-15 1973-12-07 Aerospatiale
US3700352A (en) * 1971-03-05 1972-10-24 Lord Corp Rotor system
US3761199A (en) * 1972-07-14 1973-09-25 United Aircraft Corp Helicopter rotor with redundant load carrying capability
GB1432117A (en) * 1973-05-10 1976-04-14 Aerospatiale Rotor for rotating wing type aircraft
FR2228663A1 (en) * 1973-05-10 1974-12-06 Aerospatiale Rotor for rotating wing aircraft - has yoke connecting rotor arm and star shaped rotor has low weight
FR2305343A2 (fr) * 1975-03-26 1976-10-22 Aerospatiale Rotor pour giravions
US4012169A (en) * 1973-05-10 1977-03-15 Societe Nationale Industrielle Aerospatiale Rotor for rotating wing type aircraft
JPS5852880B2 (ja) * 1973-09-14 1983-11-25 ユナイテッド・テクノロジ−ズ・コ−ポレイション 関節式ヘリコプタロ−タ
US3932059A (en) * 1975-01-10 1976-01-13 United Technologies Corporation Droop stops for helicopter rotor having elastomeric bearings
JPS5264797A (en) * 1975-11-26 1977-05-28 Kawasaki Heavy Ind Ltd Rotor head of rotary cascade aircraft
US4178130A (en) * 1976-04-06 1979-12-11 United Technologies Corporation Helicopter rotor having lead-lag damper operable with pitch and flap decoupling
US4105365A (en) * 1976-10-04 1978-08-08 United Technologies Corporation Helicopter rotor lead-lag damper
DE2648343C3 (de) * 1976-10-26 1981-06-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schlag- und schwenkgelenkloser Rotor für Drehflügelflugzeuge
US4135856A (en) * 1977-02-03 1979-01-23 Lord Corporation Rotor blade retention system
GB2025338B (en) * 1978-06-02 1982-08-04 Aerospatiale Helicopterrotor
FR2427251A1 (fr) * 1978-06-02 1979-12-28 Aerospatiale Rotor pour giravion
US4203708A (en) * 1978-06-26 1980-05-20 United Technologies Corporation Elastomeric rotor load reaction system
US4235570A (en) * 1978-06-26 1980-11-25 United Technologies Corporation Elastomeric helicopter rotor load reaction system
FR2434079A1 (fr) * 1978-08-23 1980-03-21 Aerospatiale Dispositif pour limiter les battements des pales d'un rotor principal de giravion
US4257739A (en) * 1978-09-11 1981-03-24 Textron, Inc. Soft inplane helicopter rotor
IT1117626B (it) * 1979-02-02 1986-02-17 Aereonautiche Giovanni Augusta Rotore articolato per elicotteri

Also Published As

Publication number Publication date
US4342540A (en) 1982-08-03
JPS55106897A (en) 1980-08-16
FR2447856A1 (fr) 1980-08-29
GB2041310A (en) 1980-09-10
GB2041310B (en) 1983-05-25
FR2447856B1 (ja) 1984-04-13
JPH0129759B2 (ja) 1989-06-13
IT7967223A0 (it) 1979-02-02
DE3001207C2 (de) 1994-03-31
DE3001207A1 (de) 1980-08-14

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970227